| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui.internal.editor; |
| |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.wst.xml.core.internal.contentmodel.CMNode; |
| import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery; |
| import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil; |
| import org.eclipse.wst.xml.ui.internal.XMLUIPlugin; |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * @author nsd |
| */ |
| public class CMImageUtil { |
| |
| public static CMNode getDeclaration(Node node) { |
| CMNode decl = null; |
| ModelQuery mq = null; |
| switch (node.getNodeType()) { |
| case Node.ATTRIBUTE_NODE : { |
| mq = ModelQueryUtil.getModelQuery(((Attr) node).getOwnerDocument()); |
| decl = mq.getCMAttributeDeclaration((Attr) node); |
| } |
| break; |
| case Node.ELEMENT_NODE : { |
| mq = ModelQueryUtil.getModelQuery(node.getOwnerDocument()); |
| decl = mq.getCMElementDeclaration((Element) node); |
| } |
| break; |
| } |
| return decl; |
| } |
| |
| public static Image getImage(CMNode cmnode) { |
| if (cmnode == null) { |
| return null; |
| } |
| Image image = null; |
| ImageDescriptor descriptor = getImageDescriptor(cmnode); |
| if (descriptor != null) { |
| image = descriptor.createImage(false); |
| } |
| return image; |
| } |
| |
| public static ImageDescriptor getImageDescriptor(CMNode cmnode) { |
| if (cmnode == null) { |
| return null; |
| } |
| // cache CM-specified images with the XML UI plugin |
| String imageURLString = (String) cmnode.getProperty("small-icon"); //$NON-NLS-1$ |
| ImageDescriptor descriptor = null; |
| if ((imageURLString != null) && (imageURLString.length() > 0)) { |
| descriptor = XMLUIPlugin.getInstance().getImageRegistry().getDescriptor(imageURLString); |
| if (descriptor == null) { |
| try { |
| URL imageURL = new URL(imageURLString); |
| URLConnection connection = imageURL.openConnection(); |
| connection.setUseCaches(false); |
| ImageData data = new ImageData(connection.getInputStream()); |
| descriptor = ImageDescriptor.createFromImageData(data); |
| XMLUIPlugin.getInstance().getImageRegistry().put(imageURLString, descriptor); |
| } |
| catch (MalformedURLException e) { |
| descriptor = null; |
| } |
| catch (IOException e) { |
| descriptor = null; |
| } |
| } |
| } |
| return descriptor; |
| } |
| |
| /** |
| * |
| */ |
| private CMImageUtil() { |
| super(); |
| } |
| } |